$(function(){
  //需求1：用户退出
  let layer=layui.layer
  $('#logout').on('click',function(){
    //提示框
    layer.confirm('确认退出吗？',{
      icon:3,title:'提示'
    },function(index){
      // 跳转页面到登录项，清除token
      location.href='/login.html';
      localStorage.removeItem('token');
      layer.close(index);
    });

  })
})